Truly Scrumptious Apple Pie

Name: Truly Scrumptious Apple Pie
Ingredients: Pie dough (makes enough for two double-crust pies); 630 grams unbleached all-purpose flour (I use King Arthur; about 5 cups); 2 1/2 teaspoons kosher salt; 11 ounces very cold unsalted butter, cut into small cubes; 6 ounces very cold vegetable shortening, cut into chunks; About 1/2 cup ice water; Pie (makes one 9” double-crust pie); 2 chilled pie dough disks, or 1 unbaked 9 pie shell with top crust; 3/4 cup granulated sugar, plus extra for decorating, if desired; 1/4 cup flour; 1/2 teaspoon fresh grated nutmeg; 1/4 teaspoon ground cinnamon; 2 cups Granny Smith apples, peeled, cored and sliced thin; 2 cups Golden Delicious apples, peeled, cored and sliced thin; 2 cups Macintosh apples, peeled, cored and sliced thin; 3 wedges of fresh lemon; 2 tablespoons unsalted butter; 2 tablespoons cream or milk